Overview
The ISO7242ADW is a quad-channel digital isolator produced by Texas Instruments. This device is designed to provide galvanic isolation between two separate systems, enabling bidirectional communication while ensuring high voltage isolation. It is particularly useful in applications requiring robust isolation between different voltage domains.
The ISO7242ADW features a dual-channel configuration, with two channels in each direction, making it versatile for various industrial and automotive applications. It operates over a wide temperature range of -40°C to 125°C and supports data transfer rates up to 1 Mbps.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Number of channels | 4 | Forward/reverse channels | 2 forward / 2 reverse |
| Data rate (max) | 1 Mbps | Withstand isolation voltage (VISO) (Vrms) | 2500 V |
| Operating temperature range (°C) | -40 to 125 | Supply voltage (max) (V) | 5 V |
| Package/Case | 16-SOIC (0.295", 7.50mm Width) | Integrated isolated power | No |
| Common Mode Transient Immunity (Min) | 25 kV/µs | Propagation Delay tpLH / tpHL (Max) | 95 ns, 95 ns |
| Pulse Width Distortion (Max) | 10 ns | Rise / Fall Time (Typ) | 2 ns, 2 ns |
| ESD Protection | Up to 4 kV | UL Certification | UL 1577 Certified |
Key Features
- Fully Integrated ESD Protection up to 4 kV
- Surge Immunity Up to 4 kV
- Wide Operating Temperature Range: -40°C to 125°C
- Compact and Space-Saving Design
- Easily Configurable for Various Applications
- High Reliability for Mission-Critical Systems
- High-Speed Data Transfer Rates up to 1 Mbps
- Low Channel-to-Channel Output Skew and Low Pulse-Width Distortion
- Operates With 3.3-V or 5-V Supplies
- Electromagnetic Compatibility according to IEC61000-4 specifications
Applications
The ISO7242ADW is commonly used in various applications that require high voltage isolation and robust communication between different voltage domains. These include:
- Industrial Automation
- Energy Management Systems
- Power Distribution Systems
- Communication Systems
- Automotive Electronics
- Medical Devices
- Industrial Fieldbus
- Computer Peripheral Interfaces
- Servo Control Interfaces
- Data Acquisition Systems
Q & A
- What is the primary function of the ISO7242ADW?
The primary function of the ISO7242ADW is to provide galvanic isolation between two separate systems while allowing for bidirectional communication between them.
- How many channels does the ISO7242ADW have and what is their configuration?
The ISO7242ADW has four channels, configured as two forward and two reverse channels.
- What is the maximum data transfer rate of the ISO7242ADW?
The maximum data transfer rate of the ISO7242ADW is 1 Mbps.
- What is the operating temperature range of the ISO7242ADW?
The operating temperature range of the ISO7242ADW is -40°C to 125°C.
- What type of package does the ISO7242ADW come in?
The ISO7242ADW comes in a 16-SOIC package.
- Does the ISO7242ADW have built-in ESD protection?
Yes, the ISO7242ADW has built-in ESD protection up to 4 kV.
- What are some common applications of the ISO7242ADW?
Common applications include industrial automation, energy management systems, power distribution, communication systems, automotive electronics, and medical devices.
- Is the ISO7242ADW UL certified?
Yes, the ISO7242ADW is UL 1577 certified.
- What is the typical propagation delay of the ISO7242ADW?
The typical propagation delay of the ISO7242ADW is 95 ns for both tpLH and tpHL.
- Can the ISO7242ADW operate with different supply voltages?
Yes, the ISO7242ADW can operate with 3.3-V or 5-V supplies on either side.
